Self-Sealing Hardware

APM HEXSEAL Self-Sealing Hardware features fasteners and washers, including SEELSKREWS®, SEELBOLTS®, SEELNUTS®, and SEELOC® WASHERS. This reusable hardware offers positive sealing under pressure or vacuum and resists loosening due to vibration. Optional O-ring seal materials assure performance with a wide variety of gasses and liquids. APM HEXSEAL Self-Sealing Hardware is easy to install, compatible with all surface finishes, and tested and listed to UL Standard 50, Types 1-13.

Results: 151
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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Type
Thread Size
Length
Material
Plating
Screw Head
APM HEXSEAL Screws & Fasteners 1/4"-20X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
1In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 1/4-20 7/8 in Stainless Steel Passivated Phillips
APM HEXSEAL RM2.5X12MM 2701
APM HEXSEAL Screws & Fasteners 2.5 x 12mm SeelSkrew
94Expected 24/08/2026
Min.: 1
Mult.: 1

M2.5 12 mm
APM HEXSEAL R4-40X1/2 2615
APM HEXSEAL Screws & Fasteners SeelSkrew Screw 1/2" Thread Size 4-40
51Expected 27/08/2026
Min.: 1
Mult.: 1

Screws
APM HEXSEAL Screws & Fasteners SEELNUTS 1/2-13 THREAD Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

Nuts Self Sealing 1/2-13 7/16 in
APM HEXSEAL Screws & Fasteners SEELNUTS 1/4-20 THREAD Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1

Nuts Self Sealing 1/4-20 7/32 in
APM HEXSEAL Screws & Fasteners SEELNUTS 1/4-28 THREAD Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

Nuts Self Sealing 1/4-28 7/32 in
APM HEXSEAL Screws & Fasteners SEELNUTS 3/8-16 THREAD Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

Nuts Self Sealing 3/8-16 21/34 in
APM HEXSEAL Screws & Fasteners SEELNUTS 5/8-18 THREAD Non-Stocked Lead-Time 8 Weeks
Min.: 25
Mult.: 25

Nuts Seel Nut 35/64 in
APM HEXSEAL Screws & Fasteners 6-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
Screws Self Sealing 6-32 5/16 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners 6-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 7/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners Non-Stocked Lead-Time 3 Weeks
Min.: 1
Mult.: 1
Screws Self Sealing 8-32 3/16 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners Non-Stocked Lead-Time 4 Weeks
Min.: 25
Mult.: 25

Bolts Self Sealing 1/4-20 1 1/2 in Steel Passivated Hex
APM HEXSEAL Screws & Fasteners 3/8-16X3/4" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw
Datasheet
Non-Stocked Lead-Time 3 Weeks
Min.: 1
Mult.: 1

Bolts Self Sealing 3/8-16 3/4 in Steel Passivated Hex
APM HEXSEAL Screws & Fasteners SEELNUTS 1/2-20 THREAD Non-Stocked
Min.: 1
Mult.: 1

Nuts Self Sealing 1/2-20 7/16 in
APM HEXSEAL Screws & Fasteners SEELNUTS 10-24 THREAD Non-Stocked
Min.: 25
Mult.: 25

Nuts Self Sealing 10-24 1/8 in
APM HEXSEAL Screws & Fasteners SEELNUTS 3/8-24 THREAD Non-Stocked
Min.: 25
Mult.: 25

Nuts Self Sealing 3/8-24 21/34 in
APM HEXSEAL Screws & Fasteners SEELNUTS 5/16-18 THREAD Non-Stocked
Min.: 1
Mult.: 1

Nuts Self Sealing 5/16-18 17/64 in
APM HEXSEAL Screws & Fasteners SEELNUTS 7/16-20 THREAD Non-Stocked
Min.: 25
Mult.: 25

Nuts Self Sealing 7/16-20 3/8 in
APM HEXSEAL Screws & Fasteners SEELNUTS 8-32 THREAD Non-Stocked
Min.: 1
Mult.: 1

Nuts Self Sealing 8-32 1/8 in
APM HEXSEAL Screws & Fasteners Non-Stocked
Min.: 50
Mult.: 50

Screws Self Sealing 1/4-20 1 1/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 1/4"-20X1-1/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Non-Stocked
Min.: 50
Mult.: 50

Screws Self Sealing 1/4-20 1 1/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 1/4"-20X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Non-Stocked
Min.: 1
Mult.: 1

Screws Self Sealing 1/4-20 7/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 1/4"-20X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Non-Stocked
Min.: 1
Mult.: 1

Screws Self Sealing 1/4-20 9/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 10-24X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
Non-Stocked
Min.: 50
Mult.: 1

Screws Self Sealing 10-24 1 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners PANHEAD PHILLIPS 10- 24THDx.5'"sili-orin
Datasheet
Non-Stocked
Min.: 50
Mult.: 50

Screws Screw 10-24 0.5 in Phillips